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  6. 12-04-2019

Darebin Creek at Darebin Parklands, ford (dog crossing) U/S railway bridge.

Melbourne

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ME_YDA558 Yarra River Catchment

Friday 12th April 2019 10:20am Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen mg/L
8mg/L
Electrical Conductivity
420µS/cm
pH
7.3pH Units
Reactive Phosphate (mg/L)
0.03mg/L P
Temperature - AIR
18.3° C
Temperature - WATER
14.6° C
Turbidity - NTU
9NTU

Water Conditions

Weather
Sunny
Last rainfall
During the last week 3.20
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance
Clear
Stream depth
0 - 50cm
Stream width
2m - 5m
Hazards
 
Litter/Pollutants
plastic

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 20
Image
Damselfly Nymph (Odonata) 6 20
Image
Dragonfly Nymph (Odonata) 6 1
Image
Freshwater Snails (Gastropoda) 3 1
Image
Leeches (Hirudinea) 3 50
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 75
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 167 Total score: 29 Overall rating: Poor

Diary photos

This was an unusual dragonfly find. At first I thought it was just a skin. Its wings looked developed but unfurled.
Alisa doing the instream kick method in a riffle.
Margaret doing an edge sweep.

Physical Chemical Trends

Last data:
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